Update with option to allow pattern matching in addition to string matching
Provide mass assignment through initialize method.
Fixed 1.8.7 compatibility

Changed RSpec DateTime.now.to_s usage to Time.now.iso8601 to make 1.8.7
tests pass again.
bumping nokogiri version
Merge pull request #43 from mje113/master

Hoping to get nokogiri bumped to 1.6.0... have some dependency issues to unravel in a project.
Merge pull request #41 from lolindrath/ruby187rspecfix

Fixed 1.8.7 compatibility
Loosen Nokogiri dependency (1.8 support)
Merge pull request #40 from krasnoukhov/replace-entities

Turn on replace_entities on Nokogiri parser
Travis configuration update

- add ruby-head, jruby-head
- drop 1.8
Add ruby-head to allowed failure list
Merge pull request #35 from emilford/master

Allow with option to accept string or regular expression
Merge pull request #38 from Applicat/mass-assignment-initialize-method

Provide mass assignment through initialize method.